1. A white dwarf is a star that has burnt up all of its fuel. 
2. All White Dwarf complete a full rotation once every twenty-four hours.

1. It improves the taste and appearance of water.
2. It removes all types of organic chemicals from the water.
3. It reduces the wastage of water.
4. No chemicals are added to water during the process.

Select the correct answer using the code given below:

1. A patent is an exclusive right granted for an invention.
2. Copyright protects expressions and not ideas.
3. A trademark is the legal version of a brand.

1. It is the sustainable use of ocean resources for economic growth, improved livelihood and jobs, and ocean economic health. 
2. In India, inland waterways are not included within the ambit of the blue economy.